What vegetable needs a plumber? A leek.
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On coming home from a late night at the office, the partner at a presigious law firm discovered that his basement was flooded. He summoned a plumber. The plumber arrived soon afterward, with a spare set of overalls and a cap that said "Blue Collar Guy".

The lawyer, still dressed in his an expensive suit, silk tie, and gleaming wingtips, chuckled. "I like your hat," he said. "But you're the first plumber I've met who brought a change of clothes to a job." The plumber smiled.

The plumber went down into the basement, and the lawyer heard him working downstairs. Before too long, the plumber came back upstairs. "I'm almost done down there. I'm going to write up your bill, then I'm going to go out to my truck for a tool I need to finish up."

The plumber added, "The overalls and hat you asked me about, they're not for me. I'm looking for a new assistant, and I was hoping you might know somebody who wanted the job." The lawyer responded, with more than a hint of condescension, "I'm a lawyer. Who would I know who would want to work as a plumber?" The plumber shrugged, and handed the lawyer his bill.

A couple of minutes later, when the plumber returned from his truck, found the lawyer, dressed in the hat and overalls. "I had a chance to look over your bill while you were out," the lawyer said. "You found yourself an assistant." LOL